I love something: and scarcely do I love it completely when the tyrant in me says: "I want that in sacrifice." This cruelty is in my entrails. Behold! I am evil.
One sticks to an opinion because he prides himself on having come to it on his own, and another because he has taken great pains to learn it and is proud to have grasped it: and so both do so out of vanity.
Whereas the man of action binds his life to reason and its concepts so that he will not be swept away and lost, the scientific investigator builds his hut right next to the tower of science so that he will be able to work on it and to find shelter for himself beneath those bulwarks which presently exist.
THE TEACHER AS A NECESSARY EVIL. Let us have as few people as possible between the productive minds and the hungry and recipient minds! The middlemen almost unconsciously adulterate the food which they supply. It is because of teachers that so little is learned, and that so badly.
Whether a man hides his bad qualities and vices or confesses them openly, his vanity wants to gain an advantage by it in both cases: just note how subtly he distinguishes between those he will hide his bad qualities from and those he will face honestly and candidly.